1 /* Routines for reading trees from a file stream.
3 Copyright (C) 2011-2019 Free Software Foundation, Inc.
4 Contributed by Diego Novillo <dnovillo@google.com>
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
24 #include "coretypes.h"
29 #include "stringpool.h"
30 #include "tree-streamer.h"
33 #include "gomp-constants.h"
34 #include "stringpool.h"
40 /* Read a STRING_CST from the string table in DATA_IN using input
44 streamer_read_string_cst (struct data_in
*data_in
, struct lto_input_block
*ib
)
49 ptr
= streamer_read_indexed_string (data_in
, ib
, &len
);
52 return build_string (len
, ptr
);
56 /* Read an IDENTIFIER from the string table in DATA_IN using input
60 input_identifier (struct data_in
*data_in
, struct lto_input_block
*ib
)
65 ptr
= streamer_read_indexed_string (data_in
, ib
, &len
);
68 return get_identifier_with_length (ptr
, len
);
72 /* Read a chain of tree nodes from input block IB. DATA_IN contains
73 tables and descriptors for the file being read. */
76 streamer_read_chain (struct lto_input_block
*ib
, struct data_in
*data_in
)
78 tree first
, prev
, curr
;
80 /* The chain is written as NULL terminated list of trees. */
81 first
= prev
= NULL_TREE
;
84 curr
= stream_read_tree (ib
, data_in
);
86 TREE_CHAIN (prev
) = curr
;
98 /* Unpack all the non-pointer fields of the TS_BASE structure of
99 expression EXPR from bitpack BP. */
102 unpack_ts_base_value_fields (struct bitpack_d
*bp
, tree expr
)
104 /* Note that the code for EXPR has already been unpacked to create EXPR in
105 streamer_alloc_tree. */
108 TREE_SIDE_EFFECTS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
109 TREE_CONSTANT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
110 TREE_READONLY (expr
) = (unsigned) bp_unpack_value (bp
, 1);
112 /* TREE_PUBLIC is used on types to indicate that the type
113 has a TYPE_CACHED_VALUES vector. This is not streamed out,
114 so we skip it here. */
115 TREE_PUBLIC (expr
) = (unsigned) bp_unpack_value (bp
, 1);
118 bp_unpack_value (bp
, 4);
119 TREE_ADDRESSABLE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
120 TREE_THIS_VOLATILE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
123 DECL_UNSIGNED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
124 DECL_NAMELESS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
126 else if (TYPE_P (expr
))
127 TYPE_UNSIGNED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
129 bp_unpack_value (bp
, 1);
130 TREE_ASM_WRITTEN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
132 TYPE_ARTIFICIAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
134 TREE_NO_WARNING (expr
) = (unsigned) bp_unpack_value (bp
, 1);
135 TREE_NOTHROW (expr
) = (unsigned) bp_unpack_value (bp
, 1);
136 TREE_STATIC (expr
) = (unsigned) bp_unpack_value (bp
, 1);
137 if (TREE_CODE (expr
) != TREE_BINFO
)
138 TREE_PRIVATE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
140 bp_unpack_value (bp
, 1);
141 TREE_PROTECTED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
142 TREE_DEPRECATED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
145 if (AGGREGATE_TYPE_P (expr
))
146 TYPE_REVERSE_STORAGE_ORDER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
148 TYPE_SATURATING (expr
) = (unsigned) bp_unpack_value (bp
, 1);
149 TYPE_ADDR_SPACE (expr
) = (unsigned) bp_unpack_value (bp
, 8);
151 else if (TREE_CODE (expr
) == BIT_FIELD_REF
|| TREE_CODE (expr
) == MEM_REF
)
153 REF_REVERSE_STORAGE_ORDER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
154 bp_unpack_value (bp
, 8);
156 else if (TREE_CODE (expr
) == SSA_NAME
)
158 SSA_NAME_IS_DEFAULT_DEF (expr
) = (unsigned) bp_unpack_value (bp
, 1);
159 bp_unpack_value (bp
, 8);
161 else if (TREE_CODE (expr
) == CALL_EXPR
)
163 CALL_EXPR_BY_DESCRIPTOR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
164 bp_unpack_value (bp
, 8);
167 bp_unpack_value (bp
, 9);
171 /* Unpack all the non-pointer fields of the TS_INT_CST structure of
172 expression EXPR from bitpack BP. */
175 unpack_ts_int_cst_value_fields (struct bitpack_d
*bp
, tree expr
)
178 for (i
= 0; i
< TREE_INT_CST_EXT_NUNITS (expr
); i
++)
179 TREE_INT_CST_ELT (expr
, i
) = bp_unpack_var_len_int (bp
);
183 /* Unpack all the non-pointer fields of the TS_REAL_CST structure of
184 expression EXPR from bitpack BP. */
187 unpack_ts_real_cst_value_fields (struct bitpack_d
*bp
, tree expr
)
193 /* Clear all bits of the real value type so that we can later do
194 bitwise comparisons to see if two values are the same. */
195 memset (&r
, 0, sizeof r
);
196 r
.cl
= (unsigned) bp_unpack_value (bp
, 2);
197 r
.decimal
= (unsigned) bp_unpack_value (bp
, 1);
198 r
.sign
= (unsigned) bp_unpack_value (bp
, 1);
199 r
.signalling
= (unsigned) bp_unpack_value (bp
, 1);
200 r
.canonical
= (unsigned) bp_unpack_value (bp
, 1);
201 r
.uexp
= (unsigned) bp_unpack_value (bp
, EXP_BITS
);
202 for (i
= 0; i
< SIGSZ
; i
++)
203 r
.sig
[i
] = (unsigned long) bp_unpack_value (bp
, HOST_BITS_PER_LONG
);
205 rp
= ggc_alloc
<real_value
> ();
206 memcpy (rp
, &r
, sizeof (REAL_VALUE_TYPE
));
207 TREE_REAL_CST_PTR (expr
) = rp
;
211 /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
212 expression EXPR from bitpack BP. */
215 unpack_ts_fixed_cst_value_fields (struct bitpack_d
*bp
, tree expr
)
217 FIXED_VALUE_TYPE
*fp
= ggc_alloc
<fixed_value
> ();
218 fp
->mode
= as_a
<scalar_mode
> (bp_unpack_machine_mode (bp
));
219 fp
->data
.low
= bp_unpack_var_len_int (bp
);
220 fp
->data
.high
= bp_unpack_var_len_int (bp
);
221 TREE_FIXED_CST_PTR (expr
) = fp
;
224 /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
225 of expression EXPR from bitpack BP. */
228 unpack_ts_decl_common_value_fields (struct bitpack_d
*bp
, tree expr
)
230 SET_DECL_MODE (expr
, bp_unpack_machine_mode (bp
));
231 DECL_NONLOCAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
232 DECL_VIRTUAL_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
233 DECL_IGNORED_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
234 DECL_ABSTRACT_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
235 DECL_ARTIFICIAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
236 DECL_USER_ALIGN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
237 DECL_PRESERVE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
238 DECL_EXTERNAL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
239 DECL_GIMPLE_REG_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
240 SET_DECL_ALIGN (expr
, (unsigned) bp_unpack_var_len_unsigned (bp
));
241 #ifdef ACCEL_COMPILER
242 if (DECL_ALIGN (expr
) > targetm
.absolute_biggest_alignment
)
243 SET_DECL_ALIGN (expr
, targetm
.absolute_biggest_alignment
);
245 if (TREE_CODE (expr
) == LABEL_DECL
)
247 EH_LANDING_PAD_NR (expr
) = (int) bp_unpack_var_len_unsigned (bp
);
249 /* Always assume an initial value of -1 for LABEL_DECL_UID to
250 force gimple_set_bb to recreate label_to_block_map. */
251 LABEL_DECL_UID (expr
) = -1;
254 else if (TREE_CODE (expr
) == FIELD_DECL
)
256 DECL_PACKED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
257 DECL_NONADDRESSABLE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
258 DECL_PADDING_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
259 expr
->decl_common
.off_align
= bp_unpack_value (bp
, 8);
262 else if (VAR_P (expr
))
264 DECL_HAS_DEBUG_EXPR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
265 DECL_NONLOCAL_FRAME (expr
) = (unsigned) bp_unpack_value (bp
, 1);
268 else if (TREE_CODE (expr
) == PARM_DECL
)
269 DECL_HIDDEN_STRING_LENGTH (expr
) = (unsigned) bp_unpack_value (bp
, 1);
271 if (TREE_CODE (expr
) == RESULT_DECL
272 || TREE_CODE (expr
) == PARM_DECL
275 DECL_BY_REFERENCE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
276 if (VAR_P (expr
) || TREE_CODE (expr
) == PARM_DECL
)
277 DECL_HAS_VALUE_EXPR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
282 /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
283 of expression EXPR from bitpack BP. */
286 unpack_ts_decl_wrtl_value_fields (struct bitpack_d
*bp
, tree expr
)
288 DECL_REGISTER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
292 /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
293 of expression EXPR from bitpack BP. */
296 unpack_ts_decl_with_vis_value_fields (struct bitpack_d
*bp
, tree expr
)
298 DECL_COMMON (expr
) = (unsigned) bp_unpack_value (bp
, 1);
299 DECL_DLLIMPORT_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
300 DECL_WEAK (expr
) = (unsigned) bp_unpack_value (bp
, 1);
301 DECL_SEEN_IN_BIND_EXPR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
302 DECL_COMDAT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
303 DECL_VISIBILITY (expr
) = (enum symbol_visibility
) bp_unpack_value (bp
, 2);
304 DECL_VISIBILITY_SPECIFIED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
308 DECL_HARD_REGISTER (expr
) = (unsigned) bp_unpack_value (bp
, 1);
309 DECL_IN_CONSTANT_POOL (expr
) = (unsigned) bp_unpack_value (bp
, 1);
312 if (TREE_CODE (expr
) == FUNCTION_DECL
)
314 DECL_FINAL_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
315 DECL_CXX_CONSTRUCTOR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
316 DECL_CXX_DESTRUCTOR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
321 /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
322 of expression EXPR from bitpack BP. */
325 unpack_ts_function_decl_value_fields (struct bitpack_d
*bp
, tree expr
)
327 DECL_BUILT_IN_CLASS (expr
) = bp_unpack_enum (bp
, built_in_class
,
329 DECL_STATIC_CONSTRUCTOR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
330 DECL_STATIC_DESTRUCTOR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
331 DECL_UNINLINABLE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
332 DECL_POSSIBLY_INLINED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
333 DECL_IS_NOVOPS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
334 DECL_IS_RETURNS_TWICE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
335 DECL_IS_MALLOC (expr
) = (unsigned) bp_unpack_value (bp
, 1);
336 DECL_IS_OPERATOR_NEW (expr
) = (unsigned) bp_unpack_value (bp
, 1);
337 DECL_DECLARED_INLINE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
338 DECL_STATIC_CHAIN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
339 DECL_NO_INLINE_WARNING_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
340 DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr
)
341 = (unsigned) bp_unpack_value (bp
, 1);
342 DECL_NO_LIMIT_STACK (expr
) = (unsigned) bp_unpack_value (bp
, 1);
343 DECL_DISREGARD_INLINE_LIMITS (expr
) = (unsigned) bp_unpack_value (bp
, 1);
344 DECL_PURE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
345 DECL_LOOPING_CONST_OR_PURE_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
346 if (DECL_BUILT_IN_CLASS (expr
) != NOT_BUILT_IN
)
348 DECL_FUNCTION_CODE (expr
) = (enum built_in_function
) bp_unpack_value (bp
,
350 if (DECL_BUILT_IN_CLASS (expr
) == BUILT_IN_NORMAL
351 && DECL_FUNCTION_CODE (expr
) >= END_BUILTINS
)
352 fatal_error (input_location
,
353 "machine independent builtin code out of range");
354 else if (DECL_BUILT_IN_CLASS (expr
) == BUILT_IN_MD
)
356 tree result
= targetm
.builtin_decl (DECL_FUNCTION_CODE (expr
), true);
357 if (!result
|| result
== error_mark_node
)
358 fatal_error (input_location
,
359 "target specific builtin not available");
365 /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
366 of expression EXPR from bitpack BP. */
369 unpack_ts_type_common_value_fields (struct bitpack_d
*bp
, tree expr
)
373 mode
= bp_unpack_machine_mode (bp
);
374 SET_TYPE_MODE (expr
, mode
);
375 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
377 TYPE_PACKED (expr
) = (unsigned) bp_unpack_value (bp
, 1);
378 TYPE_RESTRICT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
379 TYPE_USER_ALIGN (expr
) = (unsigned) bp_unpack_value (bp
, 1);
380 TYPE_READONLY (expr
) = (unsigned) bp_unpack_value (bp
, 1);
381 if (RECORD_OR_UNION_TYPE_P (expr
))
383 TYPE_TRANSPARENT_AGGR (expr
) = (unsigned) bp_unpack_value (bp
, 1);
384 TYPE_FINAL_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
385 TYPE_CXX_ODR_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
387 else if (TREE_CODE (expr
) == ARRAY_TYPE
)
388 TYPE_NONALIASED_COMPONENT (expr
) = (unsigned) bp_unpack_value (bp
, 1);
389 if (TREE_CODE (expr
) == ARRAY_TYPE
|| TREE_CODE (expr
) == INTEGER_TYPE
)
390 TYPE_STRING_FLAG (expr
) = (unsigned) bp_unpack_value (bp
, 1);
391 if (AGGREGATE_TYPE_P (expr
))
392 TYPE_TYPELESS_STORAGE (expr
) = (unsigned) bp_unpack_value (bp
, 1);
393 TYPE_EMPTY_P (expr
) = (unsigned) bp_unpack_value (bp
, 1);
394 TYPE_PRECISION (expr
) = bp_unpack_var_len_unsigned (bp
);
395 SET_TYPE_ALIGN (expr
, bp_unpack_var_len_unsigned (bp
));
396 #ifdef ACCEL_COMPILER
397 if (TYPE_ALIGN (expr
) > targetm
.absolute_biggest_alignment
)
398 SET_TYPE_ALIGN (expr
, targetm
.absolute_biggest_alignment
);
403 /* Unpack all the non-pointer fields of the TS_BLOCK structure
404 of expression EXPR from bitpack BP. */
407 unpack_ts_block_value_fields (struct data_in
*data_in
,
408 struct bitpack_d
*bp
, tree expr
)
410 /* BLOCK_NUMBER is recomputed. */
411 stream_input_location (&BLOCK_SOURCE_LOCATION (expr
), bp
, data_in
);
414 /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
415 structure of expression EXPR from bitpack BP. */
418 unpack_ts_translation_unit_decl_value_fields (struct data_in
*data_in
,
419 struct bitpack_d
*bp
, tree expr
)
421 TRANSLATION_UNIT_LANGUAGE (expr
) = xstrdup (bp_unpack_string (data_in
, bp
));
422 vec_safe_push (all_translation_units
, expr
);
426 /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
427 structure of expression EXPR from bitpack BP. */
430 unpack_ts_omp_clause_value_fields (struct data_in
*data_in
,
431 struct bitpack_d
*bp
, tree expr
)
433 stream_input_location (&OMP_CLAUSE_LOCATION (expr
), bp
, data_in
);
434 switch (OMP_CLAUSE_CODE (expr
))
436 case OMP_CLAUSE_DEFAULT
:
437 OMP_CLAUSE_DEFAULT_KIND (expr
)
438 = bp_unpack_enum (bp
, omp_clause_default_kind
,
439 OMP_CLAUSE_DEFAULT_LAST
);
441 case OMP_CLAUSE_SCHEDULE
:
442 OMP_CLAUSE_SCHEDULE_KIND (expr
)
443 = bp_unpack_enum (bp
, omp_clause_schedule_kind
,
444 OMP_CLAUSE_SCHEDULE_LAST
);
446 case OMP_CLAUSE_DEPEND
:
447 OMP_CLAUSE_DEPEND_KIND (expr
)
448 = bp_unpack_enum (bp
, omp_clause_depend_kind
, OMP_CLAUSE_DEPEND_LAST
);
451 OMP_CLAUSE_SET_MAP_KIND (expr
, bp_unpack_enum (bp
, gomp_map_kind
,
454 case OMP_CLAUSE_PROC_BIND
:
455 OMP_CLAUSE_PROC_BIND_KIND (expr
)
456 = bp_unpack_enum (bp
, omp_clause_proc_bind_kind
,
457 OMP_CLAUSE_PROC_BIND_LAST
);
459 case OMP_CLAUSE_REDUCTION
:
460 case OMP_CLAUSE_TASK_REDUCTION
:
461 case OMP_CLAUSE_IN_REDUCTION
:
462 OMP_CLAUSE_REDUCTION_CODE (expr
)
463 = bp_unpack_enum (bp
, tree_code
, MAX_TREE_CODES
);
471 /* Read all the language-independent bitfield values for EXPR from IB.
472 Return the partially unpacked bitpack so the caller can unpack any other
473 bitfield values that the writer may have written. */
476 streamer_read_tree_bitfields (struct lto_input_block
*ib
,
477 struct data_in
*data_in
, tree expr
)
482 /* Read the bitpack of non-pointer values from IB. */
483 bp
= streamer_read_bitpack (ib
);
485 /* The first word in BP contains the code of the tree that we
486 are about to read. */
487 code
= (enum tree_code
) bp_unpack_value (&bp
, 16);
488 lto_tag_check (lto_tree_code_to_tag (code
),
489 lto_tree_code_to_tag (TREE_CODE (expr
)));
491 /* Note that all these functions are highly sensitive to changes in
492 the types and sizes of each of the fields being packed. */
493 unpack_ts_base_value_fields (&bp
, expr
);
495 if (CODE_CONTAINS_STRUCT (code
, TS_INT_CST
))
496 unpack_ts_int_cst_value_fields (&bp
, expr
);
498 if (CODE_CONTAINS_STRUCT (code
, TS_REAL_CST
))
499 unpack_ts_real_cst_value_fields (&bp
, expr
);
501 if (CODE_CONTAINS_STRUCT (code
, TS_FIXED_CST
))
502 unpack_ts_fixed_cst_value_fields (&bp
, expr
);
504 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_MINIMAL
))
505 stream_input_location (&DECL_SOURCE_LOCATION (expr
), &bp
, data_in
);
507 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_COMMON
))
508 unpack_ts_decl_common_value_fields (&bp
, expr
);
510 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_WRTL
))
511 unpack_ts_decl_wrtl_value_fields (&bp
, expr
);
513 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_WITH_VIS
))
514 unpack_ts_decl_with_vis_value_fields (&bp
, expr
);
516 if (CODE_CONTAINS_STRUCT (code
, TS_FUNCTION_DECL
))
517 unpack_ts_function_decl_value_fields (&bp
, expr
);
519 if (CODE_CONTAINS_STRUCT (code
, TS_TYPE_COMMON
))
520 unpack_ts_type_common_value_fields (&bp
, expr
);
522 if (CODE_CONTAINS_STRUCT (code
, TS_EXP
))
524 stream_input_location (&EXPR_CHECK (expr
)->exp
.locus
, &bp
, data_in
);
526 || code
== TARGET_MEM_REF
)
528 MR_DEPENDENCE_CLIQUE (expr
)
529 = (unsigned)bp_unpack_value (&bp
, sizeof (short) * 8);
530 if (MR_DEPENDENCE_CLIQUE (expr
) != 0)
531 MR_DEPENDENCE_BASE (expr
)
532 = (unsigned)bp_unpack_value (&bp
, sizeof (short) * 8);
534 else if (code
== CALL_EXPR
)
535 CALL_EXPR_IFN (expr
) = bp_unpack_enum (&bp
, internal_fn
, IFN_LAST
);
538 if (CODE_CONTAINS_STRUCT (code
, TS_BLOCK
))
539 unpack_ts_block_value_fields (data_in
, &bp
, expr
);
541 if (CODE_CONTAINS_STRUCT (code
, TS_TRANSLATION_UNIT_DECL
))
542 unpack_ts_translation_unit_decl_value_fields (data_in
, &bp
, expr
);
544 if (CODE_CONTAINS_STRUCT (code
, TS_OPTIMIZATION
))
545 cl_optimization_stream_in (data_in
, &bp
, TREE_OPTIMIZATION (expr
));
547 if (CODE_CONTAINS_STRUCT (code
, TS_CONSTRUCTOR
))
549 unsigned HOST_WIDE_INT length
= bp_unpack_var_len_unsigned (&bp
);
551 vec_safe_grow (CONSTRUCTOR_ELTS (expr
), length
);
554 #ifndef ACCEL_COMPILER
555 if (CODE_CONTAINS_STRUCT (code
, TS_TARGET_OPTION
))
557 cl_target_option_stream_in (data_in
, &bp
, TREE_TARGET_OPTION (expr
));
558 if (targetm
.target_option
.post_stream_in
)
559 targetm
.target_option
.post_stream_in (TREE_TARGET_OPTION (expr
));
563 if (code
== OMP_CLAUSE
)
564 unpack_ts_omp_clause_value_fields (data_in
, &bp
, expr
);
568 /* Materialize a new tree from input block IB using descriptors in
569 DATA_IN. The code for the new tree should match TAG. Store in
570 *IX_P the index into the reader cache where the new tree is stored. */
573 streamer_alloc_tree (struct lto_input_block
*ib
, struct data_in
*data_in
,
581 code
= lto_tag_to_tree_code (tag
);
583 /* We should never see an SSA_NAME tree. Only the version numbers of
584 SSA names are ever written out. See input_ssa_names. */
585 gcc_assert (code
!= SSA_NAME
);
587 /* Instantiate a new tree using the header data. */
588 if (CODE_CONTAINS_STRUCT (code
, TS_STRING
))
589 result
= streamer_read_string_cst (data_in
, ib
);
590 else if (CODE_CONTAINS_STRUCT (code
, TS_IDENTIFIER
))
591 result
= input_identifier (data_in
, ib
);
592 else if (CODE_CONTAINS_STRUCT (code
, TS_VEC
))
594 HOST_WIDE_INT len
= streamer_read_hwi (ib
);
595 result
= make_tree_vec (len
);
597 else if (CODE_CONTAINS_STRUCT (code
, TS_VECTOR
))
599 bitpack_d bp
= streamer_read_bitpack (ib
);
600 unsigned int log2_npatterns
= bp_unpack_value (&bp
, 8);
601 unsigned int nelts_per_pattern
= bp_unpack_value (&bp
, 8);
602 result
= make_vector (log2_npatterns
, nelts_per_pattern
);
604 else if (CODE_CONTAINS_STRUCT (code
, TS_BINFO
))
606 unsigned HOST_WIDE_INT len
= streamer_read_uhwi (ib
);
607 result
= make_tree_binfo (len
);
609 else if (CODE_CONTAINS_STRUCT (code
, TS_INT_CST
))
611 unsigned HOST_WIDE_INT len
= streamer_read_uhwi (ib
);
612 unsigned HOST_WIDE_INT ext_len
= streamer_read_uhwi (ib
);
613 result
= make_int_cst (len
, ext_len
);
615 else if (code
== CALL_EXPR
)
617 unsigned HOST_WIDE_INT nargs
= streamer_read_uhwi (ib
);
618 return build_vl_exp (CALL_EXPR
, nargs
+ 3);
620 else if (code
== OMP_CLAUSE
)
622 enum omp_clause_code subcode
623 = (enum omp_clause_code
) streamer_read_uhwi (ib
);
624 return build_omp_clause (UNKNOWN_LOCATION
, subcode
);
628 /* For all other nodes, materialize the tree with a raw
630 result
= make_node (code
);
637 /* Read all pointer fields in the TS_COMMON structure of EXPR from input
638 block IB. DATA_IN contains tables and descriptors for the
643 lto_input_ts_common_tree_pointers (struct lto_input_block
*ib
,
644 struct data_in
*data_in
, tree expr
)
646 if (TREE_CODE (expr
) != IDENTIFIER_NODE
)
647 TREE_TYPE (expr
) = stream_read_tree (ib
, data_in
);
651 /* Read all pointer fields in the TS_VECTOR structure of EXPR from input
652 block IB. DATA_IN contains tables and descriptors for the
656 lto_input_ts_vector_tree_pointers (struct lto_input_block
*ib
,
657 struct data_in
*data_in
, tree expr
)
659 unsigned int count
= vector_cst_encoded_nelts (expr
);
660 for (unsigned int i
= 0; i
< count
; ++i
)
661 VECTOR_CST_ENCODED_ELT (expr
, i
) = stream_read_tree (ib
, data_in
);
665 /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from
666 input block IB. DATA_IN contains tables and descriptors for the
670 lto_input_ts_poly_tree_pointers (struct lto_input_block
*ib
,
671 struct data_in
*data_in
, tree expr
)
673 for (unsigned int i
= 0; i
< NUM_POLY_INT_COEFFS
; ++i
)
674 POLY_INT_CST_COEFF (expr
, i
) = stream_read_tree (ib
, data_in
);
678 /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
679 block IB. DATA_IN contains tables and descriptors for the
683 lto_input_ts_complex_tree_pointers (struct lto_input_block
*ib
,
684 struct data_in
*data_in
, tree expr
)
686 TREE_REALPART (expr
) = stream_read_tree (ib
, data_in
);
687 TREE_IMAGPART (expr
) = stream_read_tree (ib
, data_in
);
691 /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
692 from input block IB. DATA_IN contains tables and descriptors for the
696 lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block
*ib
,
697 struct data_in
*data_in
, tree expr
)
699 DECL_NAME (expr
) = stream_read_tree (ib
, data_in
);
700 DECL_CONTEXT (expr
) = stream_read_tree (ib
, data_in
);
704 /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
705 input block IB. DATA_IN contains tables and descriptors for the
709 lto_input_ts_decl_common_tree_pointers (struct lto_input_block
*ib
,
710 struct data_in
*data_in
, tree expr
)
712 DECL_SIZE (expr
) = stream_read_tree (ib
, data_in
);
713 DECL_SIZE_UNIT (expr
) = stream_read_tree (ib
, data_in
);
714 DECL_ATTRIBUTES (expr
) = stream_read_tree (ib
, data_in
);
715 DECL_ABSTRACT_ORIGIN (expr
) = stream_read_tree (ib
, data_in
);
717 if ((VAR_P (expr
) || TREE_CODE (expr
) == PARM_DECL
)
718 && DECL_HAS_VALUE_EXPR_P (expr
))
719 SET_DECL_VALUE_EXPR (expr
, stream_read_tree (ib
, data_in
));
722 && DECL_HAS_DEBUG_EXPR_P (expr
))
724 tree dexpr
= stream_read_tree (ib
, data_in
);
726 SET_DECL_DEBUG_EXPR (expr
, dexpr
);
731 /* Read all pointer fields in the TS_DECL_NON_COMMON structure of
732 EXPR from input block IB. DATA_IN contains tables and descriptors for the
736 lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block
*,
737 struct data_in
*, tree
)
742 /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
743 from input block IB. DATA_IN contains tables and descriptors for the
747 lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block
*ib
,
748 struct data_in
*data_in
, tree expr
)
752 id
= stream_read_tree (ib
, data_in
);
755 gcc_assert (TREE_CODE (id
) == IDENTIFIER_NODE
);
756 SET_DECL_ASSEMBLER_NAME (expr
, id
);
761 /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
762 input block IB. DATA_IN contains tables and descriptors for the
766 lto_input_ts_field_decl_tree_pointers (struct lto_input_block
*ib
,
767 struct data_in
*data_in
, tree expr
)
769 DECL_FIELD_OFFSET (expr
) = stream_read_tree (ib
, data_in
);
770 DECL_BIT_FIELD_TYPE (expr
) = stream_read_tree (ib
, data_in
);
771 DECL_BIT_FIELD_REPRESENTATIVE (expr
) = stream_read_tree (ib
, data_in
);
772 DECL_FIELD_BIT_OFFSET (expr
) = stream_read_tree (ib
, data_in
);
776 /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
777 from input block IB. DATA_IN contains tables and descriptors for the
781 lto_input_ts_function_decl_tree_pointers (struct lto_input_block
*ib
,
782 struct data_in
*data_in
, tree expr
)
784 /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
785 DECL_FUNCTION_PERSONALITY (expr
) = stream_read_tree (ib
, data_in
);
786 #ifndef ACCEL_COMPILER
787 DECL_FUNCTION_SPECIFIC_TARGET (expr
) = stream_read_tree (ib
, data_in
);
789 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr
) = stream_read_tree (ib
, data_in
);
790 #ifdef ACCEL_COMPILER
792 tree opts
= DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr
);
795 struct gcc_options tmp
;
796 init_options_struct (&tmp
, NULL
);
797 cl_optimization_restore (&tmp
, TREE_OPTIMIZATION (opts
));
798 finish_options (&tmp
, &global_options_set
, UNKNOWN_LOCATION
);
799 opts
= build_optimization_node (&tmp
);
800 finalize_options_struct (&tmp
);
801 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr
) = opts
;
806 /* If the file contains a function with an EH personality set,
807 then it was compiled with -fexceptions. In that case, initialize
808 the backend EH machinery. */
809 if (DECL_FUNCTION_PERSONALITY (expr
))
814 /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
815 input block IB. DATA_IN contains tables and descriptors for the file
819 lto_input_ts_type_common_tree_pointers (struct lto_input_block
*ib
,
820 struct data_in
*data_in
, tree expr
)
822 TYPE_SIZE (expr
) = stream_read_tree (ib
, data_in
);
823 TYPE_SIZE_UNIT (expr
) = stream_read_tree (ib
, data_in
);
824 TYPE_ATTRIBUTES (expr
) = stream_read_tree (ib
, data_in
);
825 TYPE_NAME (expr
) = stream_read_tree (ib
, data_in
);
826 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
827 reconstructed during fixup. */
828 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
830 TYPE_MAIN_VARIANT (expr
) = stream_read_tree (ib
, data_in
);
831 TYPE_CONTEXT (expr
) = stream_read_tree (ib
, data_in
);
832 /* TYPE_CANONICAL gets re-computed during type merging. */
833 TYPE_CANONICAL (expr
) = NULL_TREE
;
836 /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
837 from input block IB. DATA_IN contains tables and descriptors for the
841 lto_input_ts_type_non_common_tree_pointers (struct lto_input_block
*ib
,
842 struct data_in
*data_in
,
845 if (TREE_CODE (expr
) == ENUMERAL_TYPE
)
846 TYPE_VALUES (expr
) = stream_read_tree (ib
, data_in
);
847 else if (TREE_CODE (expr
) == ARRAY_TYPE
)
848 TYPE_DOMAIN (expr
) = stream_read_tree (ib
, data_in
);
849 else if (RECORD_OR_UNION_TYPE_P (expr
))
850 TYPE_FIELDS (expr
) = streamer_read_chain (ib
, data_in
);
851 else if (TREE_CODE (expr
) == FUNCTION_TYPE
852 || TREE_CODE (expr
) == METHOD_TYPE
)
853 TYPE_ARG_TYPES (expr
) = stream_read_tree (ib
, data_in
);
855 if (!POINTER_TYPE_P (expr
))
856 TYPE_MIN_VALUE_RAW (expr
) = stream_read_tree (ib
, data_in
);
857 TYPE_MAX_VALUE_RAW (expr
) = stream_read_tree (ib
, data_in
);
861 /* Read all pointer fields in the TS_LIST structure of EXPR from input
862 block IB. DATA_IN contains tables and descriptors for the
866 lto_input_ts_list_tree_pointers (struct lto_input_block
*ib
,
867 struct data_in
*data_in
, tree expr
)
869 TREE_PURPOSE (expr
) = stream_read_tree (ib
, data_in
);
870 TREE_VALUE (expr
) = stream_read_tree (ib
, data_in
);
871 TREE_CHAIN (expr
) = stream_read_tree (ib
, data_in
);
875 /* Read all pointer fields in the TS_VEC structure of EXPR from input
876 block IB. DATA_IN contains tables and descriptors for the
880 lto_input_ts_vec_tree_pointers (struct lto_input_block
*ib
,
881 struct data_in
*data_in
, tree expr
)
885 /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
887 for (i
= 0; i
< TREE_VEC_LENGTH (expr
); i
++)
888 TREE_VEC_ELT (expr
, i
) = stream_read_tree (ib
, data_in
);
892 /* Read all pointer fields in the TS_EXP structure of EXPR from input
893 block IB. DATA_IN contains tables and descriptors for the
898 lto_input_ts_exp_tree_pointers (struct lto_input_block
*ib
,
899 struct data_in
*data_in
, tree expr
)
904 for (i
= 0; i
< TREE_OPERAND_LENGTH (expr
); i
++)
905 TREE_OPERAND (expr
, i
) = stream_read_tree (ib
, data_in
);
907 block
= stream_read_tree (ib
, data_in
);
909 /* TODO: Block is stored in the locus information. It may make more sense to
910 to make it go via the location cache. */
913 data_in
->location_cache
.apply_location_cache ();
914 TREE_SET_BLOCK (expr
, block
);
919 /* Read all pointer fields in the TS_BLOCK structure of EXPR from input
920 block IB. DATA_IN contains tables and descriptors for the
924 lto_input_ts_block_tree_pointers (struct lto_input_block
*ib
,
925 struct data_in
*data_in
, tree expr
)
927 BLOCK_VARS (expr
) = streamer_read_chain (ib
, data_in
);
929 BLOCK_SUPERCONTEXT (expr
) = stream_read_tree (ib
, data_in
);
930 BLOCK_ABSTRACT_ORIGIN (expr
) = stream_read_tree (ib
, data_in
);
931 /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here
932 which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the
933 ultimate origin. Fixup here.
934 ??? This should get fixed with moving to DIE references. */
935 if (DECL_P (BLOCK_ORIGIN (expr
)))
936 BLOCK_ABSTRACT_ORIGIN (expr
) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr
));
937 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
938 for early inlined BLOCKs so drop it on the floor instead of ICEing in
941 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
944 /* We re-compute BLOCK_SUBBLOCKS of our parent here instead
945 of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
946 stream the child relationship explicitly. */
947 if (BLOCK_SUPERCONTEXT (expr
)
948 && TREE_CODE (BLOCK_SUPERCONTEXT (expr
)) == BLOCK
)
950 BLOCK_CHAIN (expr
) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr
));
951 BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr
)) = expr
;
954 /* The global block is rooted at the TU decl. Hook it here to
955 avoid the need to stream in this block during WPA time. */
956 else if (BLOCK_SUPERCONTEXT (expr
)
957 && TREE_CODE (BLOCK_SUPERCONTEXT (expr
)) == TRANSLATION_UNIT_DECL
)
958 DECL_INITIAL (BLOCK_SUPERCONTEXT (expr
)) = expr
;
960 /* The function-level block is connected at the time we read in
961 function bodies for the same reason. */
965 /* Read all pointer fields in the TS_BINFO structure of EXPR from input
966 block IB. DATA_IN contains tables and descriptors for the
970 lto_input_ts_binfo_tree_pointers (struct lto_input_block
*ib
,
971 struct data_in
*data_in
, tree expr
)
975 /* Note that the number of slots in EXPR was read in
976 streamer_alloc_tree when instantiating EXPR. However, the
977 vector is empty so we cannot rely on vec::length to know how many
978 elements to read. So, this list is emitted as a 0-terminated
979 list on the writer side. */
982 t
= stream_read_tree (ib
, data_in
);
984 BINFO_BASE_BINFOS (expr
)->quick_push (t
);
988 BINFO_OFFSET (expr
) = stream_read_tree (ib
, data_in
);
989 BINFO_VTABLE (expr
) = stream_read_tree (ib
, data_in
);
991 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
992 BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE
997 /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
998 input block IB. DATA_IN contains tables and descriptors for the
1002 lto_input_ts_constructor_tree_pointers (struct lto_input_block
*ib
,
1003 struct data_in
*data_in
, tree expr
)
1007 for (i
= 0; i
< CONSTRUCTOR_NELTS (expr
); i
++)
1010 e
.index
= stream_read_tree (ib
, data_in
);
1011 e
.value
= stream_read_tree (ib
, data_in
);
1012 (*CONSTRUCTOR_ELTS (expr
))[i
] = e
;
1017 /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
1018 input block IB. DATA_IN contains tables and descriptors for the
1022 lto_input_ts_omp_clause_tree_pointers (struct lto_input_block
*ib
,
1023 struct data_in
*data_in
, tree expr
)
1027 for (i
= 0; i
< omp_clause_num_ops
[OMP_CLAUSE_CODE (expr
)]; i
++)
1028 OMP_CLAUSE_OPERAND (expr
, i
) = stream_read_tree (ib
, data_in
);
1029 OMP_CLAUSE_CHAIN (expr
) = stream_read_tree (ib
, data_in
);
1033 /* Read all pointer fields in EXPR from input block IB. DATA_IN
1034 contains tables and descriptors for the file being read. */
1037 streamer_read_tree_body (struct lto_input_block
*ib
, struct data_in
*data_in
,
1040 enum tree_code code
;
1042 code
= TREE_CODE (expr
);
1044 if (CODE_CONTAINS_STRUCT (code
, TS_TYPED
))
1045 lto_input_ts_common_tree_pointers (ib
, data_in
, expr
);
1047 if (CODE_CONTAINS_STRUCT (code
, TS_VECTOR
))
1048 lto_input_ts_vector_tree_pointers (ib
, data_in
, expr
);
1050 if (CODE_CONTAINS_STRUCT (code
, TS_POLY_INT_CST
))
1051 lto_input_ts_poly_tree_pointers (ib
, data_in
, expr
);
1053 if (CODE_CONTAINS_STRUCT (code
, TS_COMPLEX
))
1054 lto_input_ts_complex_tree_pointers (ib
, data_in
, expr
);
1056 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_MINIMAL
))
1057 lto_input_ts_decl_minimal_tree_pointers (ib
, data_in
, expr
);
1059 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_COMMON
))
1060 lto_input_ts_decl_common_tree_pointers (ib
, data_in
, expr
);
1062 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_NON_COMMON
))
1063 lto_input_ts_decl_non_common_tree_pointers (ib
, data_in
, expr
);
1065 if (CODE_CONTAINS_STRUCT (code
, TS_DECL_WITH_VIS
))
1066 lto_input_ts_decl_with_vis_tree_pointers (ib
, data_in
, expr
);
1068 if (CODE_CONTAINS_STRUCT (code
, TS_FIELD_DECL
))
1069 lto_input_ts_field_decl_tree_pointers (ib
, data_in
, expr
);
1071 if (CODE_CONTAINS_STRUCT (code
, TS_FUNCTION_DECL
))
1072 lto_input_ts_function_decl_tree_pointers (ib
, data_in
, expr
);
1074 if (CODE_CONTAINS_STRUCT (code
, TS_TYPE_COMMON
))
1075 lto_input_ts_type_common_tree_pointers (ib
, data_in
, expr
);
1077 if (CODE_CONTAINS_STRUCT (code
, TS_TYPE_NON_COMMON
))
1078 lto_input_ts_type_non_common_tree_pointers (ib
, data_in
, expr
);
1080 if (CODE_CONTAINS_STRUCT (code
, TS_LIST
))
1081 lto_input_ts_list_tree_pointers (ib
, data_in
, expr
);
1083 if (CODE_CONTAINS_STRUCT (code
, TS_VEC
))
1084 lto_input_ts_vec_tree_pointers (ib
, data_in
, expr
);
1086 if (CODE_CONTAINS_STRUCT (code
, TS_EXP
))
1087 lto_input_ts_exp_tree_pointers (ib
, data_in
, expr
);
1089 if (CODE_CONTAINS_STRUCT (code
, TS_BLOCK
))
1090 lto_input_ts_block_tree_pointers (ib
, data_in
, expr
);
1092 if (CODE_CONTAINS_STRUCT (code
, TS_BINFO
))
1093 lto_input_ts_binfo_tree_pointers (ib
, data_in
, expr
);
1095 if (CODE_CONTAINS_STRUCT (code
, TS_CONSTRUCTOR
))
1096 lto_input_ts_constructor_tree_pointers (ib
, data_in
, expr
);
1098 if (code
== OMP_CLAUSE
)
1099 lto_input_ts_omp_clause_tree_pointers (ib
, data_in
, expr
);
1103 /* Read an index IX from input block IB and return the tree node at
1104 DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
1107 streamer_get_pickled_tree (struct lto_input_block
*ib
, struct data_in
*data_in
)
1109 unsigned HOST_WIDE_INT ix
;
1111 enum LTO_tags expected_tag
;
1113 ix
= streamer_read_uhwi (ib
);
1114 expected_tag
= streamer_read_enum (ib
, LTO_tags
, LTO_NUM_TAGS
);
1116 result
= streamer_tree_cache_get_tree (data_in
->reader_cache
, ix
);
1118 && TREE_CODE (result
) == lto_tag_to_tree_code (expected_tag
));